PERMAFROST

作品数：359被引量：970H指数：18
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Influence of Interspecies Interactions on Bacterial Community Assembly in the Active and Permafrost Layers on the Qinghai-Tibet Plateau
《Journal of Earth Science》2025年第2期395-407,共13页Hongfei Chi Xiufeng Yin Xuefeng Zhang Jingyi Zhu Lin Zhao Yongcui Deng Pengfei Liu Yongqin Liu 
supported by grants from the National Natural Science Foundation of China for Excellent Young Scientists Fund Program(No.42222105);the National Natural Science Foundation of China General Program(No.42171144);the Assessment of Ecosystem Carbon Stock and Turnover Patterns in Qinghai Province(No.2021-SFA7-1-1);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2021QZKK0100)。
Bacterial communities play a crucial role in permafrost biogeochemical cycling and ecosystem function maintenance.Bacterial interaction is one of the main factors in shaping soil bacterial communities.However,how woul...
关键词：PERMAFROST the Qinghai-Tibet Plateau bacterial community Interspecies interaction community assembly process biogeology 
Spatio-temporal Variation of Freeze-thaw Cycles in the Qinghai-Xizang Plateau from 1981 to 2020 Based on Microwave Remote Sensing
《Journal of Geodesy and Geoinformation Science》2025年第1期1-11,共11页ZHAO Shangmin ZHANG Shifang YU Bohan 
National Natural Science foundation of China(No.42271432);Foundation of Shanxi Vocational University of Engineering Science and Technology(No.KJ 202426).
Strong sensitivity of satellite microwave remote sensing to the change of surface dielectric properties,as well as the insensitivity to air pollution and solar illumination effects,makes it very suitable for monitorin...
关键词：freeze-thaw cycle PERMAFROST microwave remote sensing spatio-temporal variation linear regression analysis Qinghai-Xizang Plateau 
Conception and first results of the Russian National System of Background Permafrost Monitoring
《Advances in Polar Science》2025年第1期51-60,共10页Nikita E.DEMIDOV Oleg A.ANISIMOV Mikhail A.ANISIMOV Alexander L.BORISIK Valerian E.GOLAVSKII Maria A.GUSAKOVA Alina V.GUZEVA Alexander S.MAKAROV Anton P.MOROZOV Irina Yu.SOLOVYANOVA Alexander A.STEPANETS Yuriy V.UGRUMOV Daria K.ZAITSEVA 
supported by the Key Innovative Project of National Importance“Unified National System for Monitoring Climate-active Substances”。
In 2022,the Russian Federation commenced development of a national system for permafrost monitoring.The conceptual design of this system reflects three objectives:(1)to collect data on the impact of climate change on ...
关键词：MONITORING climate change weather station PERMAFROST active layer 
The shifts of precipitation phases and their impacts
《Science China Earth Sciences》2025年第2期425-443,共19页Xuemei LI Tao CHE Yuanlong TANG Huan’e DUAN Guigang WANG Xu ZHANG Chuanming YANG Jun WU Yue ZHANG Lanhai LI 
supported by the Sub-theme of the Second Comprehensive Scientific Investigation of the Tibetan Plateau (Grant No. 2019QZKK020109-1);the National Natural Science Foundation of China (Grant Nos. 42261026 & 42161025);the Open Foundation of Xinjiang Key Laboratory of Water Cycle and Utilization in Arid Zone (Grant No. XJYS0907-2023-01)。
Precipitation comes in various phases, including rainfall, snowfall, sleet, and hail. Shifts of precipitation phases, as well as changes in precipitation amount, intensity, and frequency, have significant impacts on r...
关键词：Precipitation phases Shift of precipitation from solid to liquid(SPSL) Climate change Water cycle processes Snowandicepr sses Snow and ice-related disasters Carbon emission from permafrost ECOSYSTEMS 
Climate warming and wetting poses a severe threat to permafrost engineering stability on the Qinghai-Xizang Plateau
《Advances in Climate Change Research》2025年第1期93-108,共16页Xiao-Ming XU Zhong-Qiong ZHANG Bo-Wen TAI Si-Ru GAO Yu-Zhong YANG Qing-Bai WU 
funded by the National Natural Science Foundation of China(42201160 and 42230512);Independent Project of the State Key Laboratory of Frozen Soil Engineering(SKLFSE-ZT-202201).
Permafrost underpins engineering in cold regions but is highly sensitive to climate change.The mechanisms linking climate warming,precipitation changes,and permafrost degradation to infrastructure stability remain poo...
关键词：Climate warming and wetting PERMAFROST Engineering stability Qinghai-Xizang Plateau 
The interaction between thermokarst lake drainage and ground subsidence accelerates permafrost degradation
《Advances in Climate Change Research》2025年第1期109-124,共16页Yi-Ning YU Feng-Ming HUI Yu ZHOU Xiao CHENG Ming-Hu DING 
supported by the National Natural Science Foundation of China(42376241);the Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)(311021008);the Basic Research Fund of CAMS(2023Z015,2023Z004 and 2023Z025);the Fengyun-3(03)Batch Meteorological Satellite Project(FY-3(03)-AS-11.10-ZT,FY-3(03)-AS-11.12-ZT).
Since it is not viable to directly evaluate permafrost change based on remote sensing,thermokarst lake drainage(TLD)and ground subsidence serve as indicators for depicting permafrost degradation.Unfortunately,the inte...
关键词：Arctic permafrost Lena basin Thermokarst lake drainage Ground displacement Remote sensing 
Revised Understanding of Permafrost Shape:Inclusion of the Transition Zone and Its Climatic and Environmental Significances
《Journal of Earth Science》2025年第1期339-346,共8页Dongliang Luo Zeyong Gao Fangfang Chen Luyang Wang Jia Liu Shizhen Li Qi Shen Yajuan Zao 
supported by the Science and Technology Program of Gansu Province(No.23ZDFA017);Western Young Scholars Project of the Chinese Academy of Sciences of China and Longyuan Youth Talents Project(Luo D L);the National Natural Science Foundation of China(No.U2243214);Youth Innovation Promotion Association of the Chinese Academy of Sciences(No.2023445)。
0 INTRODUCTION Permafrost refers to the ground that remains frozen year-round in polar and high-altitude regions,and its structure has traditionally been described by two distinct layers:the active layer and the perma...
关键词：ALTITUDE SEASONAL Transition 
Generation of runoff in an alpine meadow hillslope underlain by permafrost
《International Soil and Water Conservation Research》2024年第4期775-785,共11页Shenqi Xie Chen Zeng Xiong Xiao Guanxing Wang Fan Zhang 
financially supported by the National Natural Science Foundation of China(Grant No.42377340,No.42125104,No.42001062 and No.42101130)。
Permafrost plays an important role in hydrological processes of alpine regions.The frost table in the active layer on the permafrost acts as an impermeable boundary and regulates water generation from hillslopes and i...
关键词：PERMAFROST Active layer Thaw depth The thickness of the saturated zone Lateral subsurface flow 
Analysis on the synergistic variation of soil freezing and pile foundation bearing capacity in permafrost regions被引量：1
《International Journal of Transportation Science and Technology》2024年第4期134-149,共16页Dezhong Yu Yang Cao Qianqian Zhao 
funded by Zhejiang Shuren University Talent Startup Fund(No.2022R014);Zhejiang Shuren University Basic Scientific Research Special Funds(No.2023XZ014).
The construction of bored piles in permafrost regions disturbs the thermal stability of frozen soil,leading to decreased early bearing capacity of the pile foundation.As the permafrost ground temperature influences th...
关键词：Bridge engineering PERMAFROST Self-balancing Bearing capacity of pile foundation Finite analysis 
Thermal enhancement of targeted cooling thermosyphon array applied to the embankment–bridge transition section of the Qinghai–Tibet Railway in warm permafrost被引量：1
《Advances in Climate Change Research》2024年第6期1160-1176,共17页Kun CHEN Guo-Yu LI Qi-Hao YU Yan-Hui YOU Ming-Yang JIN Jin-Xin LU Yao-Jun ZHAO 
supported by the National Natural Science Foundation of China(42071095);the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(2019QZKK0905);the Science and Technology Program of Gansu Province(23ZDFA017);the Natural Science Foundation of Gansu Province(22JR5RA086);the Science and Technology Research and Development Program of the Qinghai‒Tibet Group Corporation(QZ2022-G02).
Permafrost degradation in the embankment–bridge transition section(EBTS)along the Qinghai–Tibet Railway has led to extensive damage to bridge structures,posing a serious threat to railway safety.With the ongoing glo...
关键词：Embankment-bridge transition section Permafrost degradation Targeted cooling thermosyphon array Low-temperature core Cold accumulative effect 
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